Home / 15,642.90-23,468.73-6,289.47

Finding the Fourth Proportional to 15,642.90, 23,468.73 and 6,289.47

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Solution

The fourth proportional to 15,642.90, 23,468.73 and 6,289.47 is: 9,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.90 : 23,468.73 = 6,289.47 : x
  2. Step 2: Convert to fraction form
    15,642.90/23,468.73 = 6,289.47/x
  3. Step 3: Cross multiply
    15,642.90x = 23,468.73 × 6,289.47
  4. Step 4: Simplify right side
    15,642.90x = 147,605,873.27
  5. Step 5: Solve for x
    x = 147,605,873.27/15,642.90
  6. Step 6: Final answer
    x = 9,435.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.